-80.86% is the change from 350 to 67
Calculation steps:
[( 67 - 350 ) ÷ 350] x 100 = -80.86%
Formula
Percentage change = [(67 - 350) / 350] x 100
Subtract the new number by the original number
67 - 350 = -283
-283 ÷ 350 = -0.8085714285714286
-0.8085714285714286 x 100 = -80.86%